| 1. | The earth is a spheroid and not a sphere . 地球是一个椭球而非球体。 |
| 2. | The earth is a nearly spherical planet . 地球是一个近似球体的行星。 |
| 3. | In this way the sphere is transformed into an ellipsoid . 于是球体变成为椭球体。 |
| 4. | He was the first person to believe that the earth was a sphere . 他最早提出地球是一个球体。 |
| 5. | Our earth, it has been shown, is a spinning globe . 我们的地球,正如已经指出的,是一个旋转的球体。 |
| 6. | The resulting displacements of points on the surface of the sphere are purely radial . 球体表面呈的总位移是纯径向的。 |
| 7. | The resulting displacements of points on the surface of the sphere are purely radial . 球体表面点的总位移是纯径向的。 |
| 8. | The force of acting between the spheres is related to their total compression . 作用于两球体间的力与它们的总压缩量有关。 |
| 9. | This is the force which causes a spinning ball to travel in a curved path . 这是一种使得旋转的球体沿着一段曲线路径行进的力。 |
| 10. | Nominal diameter is the diameter of a sphere of the same volume as the given particle . “等容粒径”是某一球体直径,它与某已知的颗粒体积相等。 |